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4206245 = 52773037
BaseRepresentation
bin10000000010111010100101
321220200212212
4100002322211
52034044440
6230053205
750516051
oct20027245
97820785
104206245
11241323a
1214aa205
13b43704
147b6c61
15581465
hex402ea5

4206245 has 8 divisors (see below), whose sum is σ = 5067384. Its totient is φ = 3351744.

The previous prime is 4206233. The next prime is 4206281. The reversal of 4206245 is 5426024.

It can be written as a sum of positive squares in 4 ways, for example, as 454276 + 3751969 = 674^2 + 1937^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4206245 - 28 = 4205989 is a prime.

It is a d-powerful number, because it can be written as 43 + 221 + 0 + 65 + 221 + 46 + 5 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4206245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134 + ... + 2903.

It is an arithmetic number, because the mean of its divisors is an integer number (633423).

Almost surely, 24206245 is an apocalyptic number.

It is an amenable number.

4206245 is a deficient number, since it is larger than the sum of its proper divisors (861139).

4206245 is a wasteful number, since it uses less digits than its factorization.

4206245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4206245 is about 2050.9132112305. The cubic root of 4206245 is about 161.4227921585.

The spelling of 4206245 in words is "four million, two hundred six thousand, two hundred forty-five".

Divisors: 1 5 277 1385 3037 15185 841249 4206245